Human knowledge is the parent of doubt.

Good-humor will sometimes conquer ill-humor, but ill-humor will conquer it oftener; and for this plain reason, good-humor must operate on generosity, ill-humor on meanness.

Those men who are commended by everybody must be very extraordinary men; or, which is more probable, very inconsiderable men.

Good-humor is allied to generosity, ill-humor to meanness.

Respect is better procured by exacting than soliciting it.

The mind of man is this world's true dimension; and knowledge is the measure of the mind.

I hardly know so melancholy a reflection as that parents are necessarily the sole directors of the management of children, whether they have or have not judgment, penetration or taste to perform the task.